EXTREME Gameboy color restoration! Batteries did this?

In this video I document the repair of a heavily corroded Gameboy.

Check out froggocustoms instagram for the replacement button pads used and for awesome content!   / froggocustoms  

Tools used in this video
Tweezers. These ones are a bit pricey and alternatives do exisit but I have yet to find better quality ones and can't recommend these enough for this type of work. https://www.techni-tool.com/category/...
Soldering station I use. I have swapped out the iron that ships with it. https://www.amazon.com/Aoyue-968A-Dig...
Recommended soldering station alternative with out hot air gun https://www.amazon.com/Weller-WE1010N...
Solderwick https://www.amazon.com/Chemtronics-De...
Flux https://www.amazon.com/Clean-Tacky-So...
Eraser pencil https://www.amazon.com/Faber-Castell-...
Conformal coating https://www.ellsworth.com/products/co...
Solder https://www.amazon.com/KESTER-SOLDER-...
30 gauge wire https://www.amazon.com/Solder-Coated-...
Surgical blade with handle https://www.amazon.com/Surgical-Steri...
The PCB holder I'm using is 3d printed and the files can be found here https://www.thingiverse.com/thing:231...